121 mm (specifications)

• 7/8 2.6 stage HR (0.070 rev/L) (Dynadrill)
• 7/8 4.5 stage HR (0.122 rev/L) (Dynadrill)
• 7/8 3.8 stage HR (0.138 rev/L) (Dynadrill)

165 mm (specifications)

• 7/8 2.9 stage HR (0.045 rev/L) (Dynadrill)
• 7/8 3.0 stage HR (0.053 rev/L) (Weatherford)
• 7/8 3.5 stage HR (0.055 rev/L) (Dynadrill)
• 7/8 5.0 stage HR (0.076 rev/L) (Dynadrill)
• 7/8 4.8 Stage HR (0.087 rev/L) (Dynadrill)
• 7/8 4.0 stage HR (0.092 rev/L) (Weatherford)

Motor Setting Procedures

• NOV Motor Setting Procedure
• Wenzel Series 14 Motor Setting Procedure
• Wenzel Series 22 Motor Setting Procedure
• Yellow Arrow Motor Setting Procedure